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Finding the Fourth Proportional to 9.50, 14.25 and 2.38

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Solution

The fourth proportional to 9.50, 14.25 and 2.38 is: 3.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9.50 : 14.25 = 2.38 : x
  2. Step 2: Convert to fraction form
    9.50/14.25 = 2.38/x
  3. Step 3: Cross multiply
    9.50x = 14.25 × 2.38
  4. Step 4: Simplify right side
    9.50x = 33.84
  5. Step 5: Solve for x
    x = 33.84/9.50
  6. Step 6: Final answer
    x = 3.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.